. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. CHASE : NELDASAURUS WRIGHTAE 191 However, the base of the intercentrum is not as highly ossified as it is in Eryops. The ventral face and the ascending process are sheathed by dense periosteal bone, but on the lateral face of the latter the finished bone does not quite reach the edge or the tip of the process. The ventral and lateral faces of some inter- centra are marked to varying degrees by small pits, while others have a smooth surface. The occurrence and development of pits is highly variable in intercentra of co
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. CHASE : NELDASAURUS WRIGHTAE 191 However, the base of the intercentrum is not as highly ossified as it is in Eryops. The ventral face and the ascending process are sheathed by dense periosteal bone, but on the lateral face of the latter the finished bone does not quite reach the edge or the tip of the process. The ventral and lateral faces of some inter- centra are marked to varying degrees by small pits, while others have a smooth surface. The occurrence and development of pits is highly variable in intercentra of comparable size, even from the same individual. Prominent longitudinal ridges are not a common feature of the outer surface of the base and ascending process of the intercentra of Neldasaurus as they are in Trimero- Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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